001/**
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v1.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014package ch.qos.logback.access.common.pattern;
015
016import ch.qos.logback.access.common.spi.IAccessEvent;
017
018/**
019 * The content length of the bytes sent.
020 */
021public class ContentLengthConverter extends AccessConverter {
022
023    @Override
024    public String convert(IAccessEvent accessEvent) {
025        long len = accessEvent.getContentLength();
026        if (len == IAccessEvent.SENTINEL) {
027            return IAccessEvent.NA;
028        } else {
029            return Long.toString(len);
030        }
031    }
032
033}